1, politically:

Establish centralization.

(1) The supreme ruler is called the emperor, who is supreme and commands all military and political power in the country. (2) The central government has Prime Minister A Qiu and imperial envoys, who are in charge of administration, military affairs and supervision respectively. (3) the local county system.

2. Economically:

(1) Unified currency: the currency with round square holes is used uniformly. (2) Unified measurement

3. Ideologically and culturally:

(1) unify regular script (Xiaozhuan-Lishu) (2) the practice of "burning books to bury Confucianism".

4. militarily:

(1) attack the Huns in the north and build the Great Wall. (2) Unify the Southeast and Lingnan areas and build Lingqu.

Second, the measures taken by the Qin Dynasty to consolidate unity and strengthen rule played an important role in the history of China.

1) ended feudalism since the Spring and Autumn Period and created a new unified situation. Since the unification of the Qin Dynasty, the feudal society in China for more than 2,000 years has been in a state of separatism in some periods, but unification has always been the mainstream of history.

2) The Qin Dynasty was the first unified multi-ethnic centralized country in the history of our country, and its autocratic centralized rule system existed in our country for more than 2,000 years, with far-reaching influence.

3) Qin unified writing, currency and weights and measures, which had a very important impact on China's future economic and cultural development and the maintenance of national unity.

4) Built the famous Wan Li Great Wall and Lingqu and other ancient projects, which consolidated the frontier of the motherland.